They knew when to attack and when to retreat.

他们知道什么进攻和什么退。

Who will be appointed to the chairmanship when Mr.

Bell leaves?贝尔先生离职以后,谁会被派来担任主席?

When be friended,remember it; when you be friend,forget it.

他人助我，没齿不忘，我助他人，即刻忘记。

When alive filially fail, when dead upon the grave wail, what for ?

生不照顾，死后哭坟墓，有用吗？

These lines make far more sense when declaimed than when simply read out.

这些台词用朗诵比起单纯的读效果要好得多。

When one individual mood low, how should when be in fast cronk condition, rescue.

当一个人情绪落,处于快要崩溃的状态应该怎么挽救。

An overdraft results when a note discounted at a bank is not met when due.

银行贴现的支票到期而未能支付就成为透支。

The house vibrates when a train passes.

火车经过房屋震动。

When they sing, their voices blend nicely.

他们唱歌的，他们的声音配合得很好。

The where and when are not known.

地点和间都不知道。

She wavers a little when she walks.

她路有些摇晃。

When we say yes, we mean it.

我们说同意就同意。

Children wriggle themselves when they are bored.

小孩子感到厌烦就会扭动他们的身体。

When will the police solve the crime?

警方什么能破案?

When are they sending the goods round?

他们打算什么把货物送过来?

Shelly was still living when Keats died.

济慈死, 雪莱还在世。

When is the train due at Shanghai?

火车该什么到上海?

The dress shrank when I washed it.

这件衣服洗后缩水了。

Jack skinned his knee when he fell.

杰克跌倒膝盖擦破了皮。

He boohooed when he skinned his knee.

当他的膝盖擦破, 他大声地哭了起来。